LeadPipeLookup

State overview

Lead service lines in Oklahoma

Aggregated lead pipe inventory data for all 1,317 public water systems in Oklahoma, serving approximately 3,709,368 residents.

Last verified from EPA SDWIS: 2026-04-14
Water systems
1,317
Population served
3,709,368
Known lead lines
0
Unknown material
0

Lead Service Lines in Oklahoma

Oklahoma's water systems serve about 3.7 million people across 1,317 public water utilities. As of the most recent data available, no lead service lines have been identified in Oklahoma's inventories, and the state has not reported galvanized service lines or unknown line materials requiring urgent replacement.

That said, lead in drinking water remains a real concern—not because of widespread service line problems in Oklahoma, but because even small amounts can affect health, especially in children and pregnant people. If you're worried about lead in your home's water, this guide explains what you need to know and how to get answers.

How lead gets into your water

Lead enters drinking water primarily through service lines—the pipes that connect the water main in the street to your home. Lead pipes and solder were common in older homes (especially those built before 1986) because lead was cheap and easy to work with. Water itself doesn't create lead; corrosive water can dissolve it from pipes and fixtures.

Galvanized steel pipes can also leach lead if they were installed with lead solder. Even if Oklahoma's reported counts are currently zero, older homes in the state may still have lead lines that haven't been formally inventoried yet.

What you should do

Find out if you're at risk:

  • Ask your water utility for records of your service line material. They may have this on file or can tell you how to find out.
  • If your home was built before 1986, there's a higher chance it has lead pipes or solder—but not a certainty.
  • Utilities are required to provide this information under federal law.

Get your water tested:

  • A simple lab test can detect lead in your tap water. Your utility may offer free or discounted testing.
  • For health concerns, especially if children under 6 or pregnant people live in your home, contact your pediatrician or the CDC for guidance.

Know your options:

  • If lead is found, replacing service lines is the permanent fix. Utilities sometimes offer cost-sharing programs.
  • Point-of-use filters (pitcher filters, faucet-mounted, or under-sink) can reduce lead if you need a short-term step while planning replacement.

Next steps for residents

  • Contact your water utility and ask for your service line material records or a test of your water.
  • Check your home's age—if built before 1986, request testing even if your utility says records show no lead.
  • Ask about testing programs—many Oklahoma utilities can provide free or low-cost lead testing.
  • For health questions, reach out to your doctor or the Oklahoma State Department of Health.

Largest public water systems in Oklahoma

UtilityPWSIDPopulationKnown leadUnknown
Sac & Fox Nation062004108
Tonkawa Tribe Of Oklahoma062005885
Pottawatomie Co. Rwd #3 (dale Plant)061020808
Quapaw Downstream Casino & Resort062005840
Ponca Fancy Dance Casino063003615
Quapaw Industrial Park062005838
Ponca Tribe Of Oklahoma063003614
Kickapoo Multipurpose062004173
Kickapoo Housing Complex062004183
Osage Nation Industrial Park063005728
Fort Sill Apache Tribal Complex064000881
Cheyenne Arapaho Concho062000905
Kickapoo New Gaming Enterprise062004193
Pawnee Tribal Complex064026001
Ioway Travel Plaza064020002
Iowa Tribal Complex064020001
Jones Academy063006122
Absentee Shawnee Little Axe South Casino062001458
Ioway Community Hall064020003
Eastern Shawnee Indigo Sky Casino061000102
Chickasaw Winstar Casino062004336
Cherokee Kenwood Water District062002156
Eastern Shawnee061000101
Cheyenne Arapaho Fonda062000906
Wyandotte Nation062005883

Cities in Oklahoma

More on lead pipes in Oklahoma

Frequently asked about lead pipes in Oklahoma

Does Oklahoma have lead service lines?

According to current data, Oklahoma's water systems have reported zero known lead service lines. However, this doesn't mean lead pipes don't exist in older homes—inventories are still being completed across the country. If your home was built before 1986, ask your utility to check your service line records.

How do I know if my house has a lead service line?

Contact your water utility with your address and ask for your service line material. They may have records on file. If records are unavailable, a plumber can inspect the line where it enters your home, or you can get your water tested for lead.

Is it safe to drink tap water in Oklahoma?

Oklahoma's water systems are regulated and monitored for safety. However, if your home has a lead service line or old solder, lead can leach into your water. Get your water tested if you're concerned, especially if children under 6 live in your home.

What should I do if lead is found in my water?

Replace your service line if it's made of lead—this is the only permanent fix. In the short term, use a certified lead-reducing filter on your tap or drink bottled water. Contact your utility about replacement programs or cost-sharing options.